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Elwin Osbourne, CIO at GFS, Inc., suspects that at least 25% of e-mail messages sent by...

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Basic Math

Elwin Osbourne, CIO at GFS, Inc., suspects that at least 25% ofe-mail messages sent by GFS employees are not business related. Arandom sample of 300 e-mail messages was selected to test thishypothesis at the 0.01 level of significance. Fifty-four of themessages were not business related. The appropriate decision is_______.

increase the sample size

gather more data

reject the null hypothesis

fail to reject the null hypothesis

maintain status quo

Answer & Explanation Solved by verified expert
3.8 Ratings (624 Votes)
Null hypothesis Alternative hypothesis We have for given    See Answer
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